package ch9;

/**
 * Created by lyk on 2016/10/17.
 * Package name: ch9
 * Porject name: untitled1
 */
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

/**
 * @version 1.40 2007-04-27
 * @author Cay Horstmann
 */
public class TextComponentTest
{
    public static void main(String[] args)
    {
        EventQueue.invokeLater(new Runnable()
        {
            public void run()
            {
                TextComponentFrame frame = new TextComponentFrame();
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.setVisible(true);
            }
        });
    }
}

/**
 * A frame with sample text components.
 */
class TextComponentFrame extends JFrame
{
    public TextComponentFrame()
    {
        setTitle("TextComponentTest");
        setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);

        final JTextField textField = new JTextField();
        final JPasswordField passwordField = new JPasswordField();

        JPanel northPanel = new JPanel();
        northPanel.setLayout(new GridLayout(2, 2));
        northPanel.add(new JLabel("User name: ", SwingConstants.RIGHT));
        northPanel.add(textField);
        northPanel.add(new JLabel("Password: ", SwingConstants.RIGHT));
        northPanel.add(passwordField);

        add(northPanel, BorderLayout.NORTH);

        final JTextArea textArea = new JTextArea(8, 40);
        JScrollPane scrollPane = new JScrollPane(textArea);
        textArea.setLineWrap(false);
        add(scrollPane, BorderLayout.CENTER);

        // add button to append text into the text area

        JPanel southPanel = new JPanel();

        JButton insertButton = new JButton("Insert");
        southPanel.add(insertButton);
        insertButton.addActionListener(new ActionListener()
        {
            public void actionPerformed(ActionEvent event)
            {
                textArea.append("User name: " + textField.getText() + " Password: "
                        + new String(passwordField.getPassword()) + "\n");
            }
        });

        add(southPanel, BorderLayout.SOUTH);

        // add a text area with scroll bars

    }

    public static final int DEFAULT_WIDTH = 300;
    public static final int DEFAULT_HEIGHT = 300;
}
